nptl: Move changing of stack permissions into ld.so

All the stack lists are now in _rtld_global, so it is possible
to change stack permissions directly from there, instead of
calling into libpthread to do the change.

Tested-by: Carlos O'Donell <carlos@redhat.com>
Reviewed-by: Carlos O'Donell <carlos@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/elf/rtld.c b/elf/rtld.c
index 1255d5c..fbbd60b 100644
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -1125,9 +1125,11 @@ dl_main (const ElfW(Phdr) *phdr,
 
   __tls_pre_init_tp ();
 
+#if !PTHREAD_IN_LIBC
   /* The explicit initialization here is cheaper than processing the reloc
      in the _rtld_local definition's initializer.  */
   GL(dl_make_stack_executable_hook) = &_dl_make_stack_executable;
+#endif
 
   /* Process the environment variable which control the behaviour.  */
   process_envvars (&state);